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CVE-2018-4835

Estado: ModificadaMedia (5.3)—

A vulnerability has been identified in TeleControl Server Basic < V3.1. An attacker with network access to the TeleControl Server Basic's port 8000/tcp could bypass the authentication mechanism and read limited information.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Siemens — Telecontrol Server Basic

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-4835",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "productcert@siemens.com",
      "affectedData": [
        {
          "vendor": "Siemens AG",
          "product": "TeleControl Server Basic",
          "versions": [
            {
              "status": "affected",
              "version": "All versions < V3.1"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-01-25T14:29:00.320",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/102894",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "productcert@siemens.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/102904",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "productcert@siemens.com"
    },
    {
      "url": "https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-651454.pdf",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "productcert@siemens.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/102894",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/102904",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-651454.pdf",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "productcert@siemens.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been identified in TeleControl Server Basic < V3.1. An attacker with network access to the TeleControl Server Basic's port 8000/tcp could bypass the authentication mechanism and read limited information."
    },
    {
      "lang": "es",
      "value": "Se ha identificado una vulnerabilidad en TeleControl Server Basic en versiones anteriores a la 3.1. Un atacante con acceso de red al puerto 8000/tcp de TeleControl Server Basic podría evadir el mecanismo de autenticación y leer información limitada."
    }
  ],
  "lastModified": "2026-06-17T01:59:08.240",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:siemens:telecontrol_server_basic:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E31D80D0-A773-45F5-8155-43861100BC48",
              "versionEndExcluding": "3.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "productcert@siemens.com"
}